21502894

素因数分解:

$2^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{5003}}^1$

素因数の和:5319

約数の個数: 16

約数和(自身を含む): 36989568

約数和(自身を除く): 15486674

約数列:

[1, 2, 7, 14, 307, 614, 2149, 4298, 5003, 10006, 35021, 70042, 1535921, 3071842, 10751447, 21502894]

約数ペア:

[(1, 21502894), (2, 10751447), (7, 3071842), (14, 1535921), (307, 70042), (614, 35021), (2149, 10006), (4298, 5003)]